SN74ALVC7803

512

× 18

CLOCKED FIRST-IN, FIRST-OUT MEMORY

SDAS274 – JANUARY 1995

10

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS†

MIN

TYP‡

MAX

UNIT

VIK

VCC = 3 V,

IIK = – 18 mA

–1.2

V

VOH

Flags

VCC = MIN to MAX,

IOH = –100 µA

VCC –0.2

V

VOH

Q outputs

VCC = 3 V,

IOH = – 8 mA

2.4

V

Flags, Q outputs

VCC = MIN to MAX,

IOL = 100 µA

0.2

VOL

Flags

VCC = 3 V,

IOL = 8 mA

0.4

V

Q outputs

VCC = 3 V,

IOL = 16 mA

0.55

II

VCC = 3.6 V,

VI =VCC or GND

±5

µA

IOZ

VCC = 3.6 V,

VO =VCC or GND

±10

µA

ICC

VI = VCC or 0,

IO = 0

40

µA

∆ICC§

VCC = 3.6 V,

One input at VCC – 0.6 V

Other inputs at VCC or GND,

500

µA

Ci

VCC = 3.3 V,

VI = VCC or GND, f = 1 MHz

2.5

pF

Co

VCC = 3.3 V,

VO = VCC or GND, f = 1 MHz

5.5

pF

† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.

‡ All typical values are at VCC = 3.3 V, TA = 25°C.

§ This is the supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC.

switching characteristics over recommended ranges of supply voltage and operating free-air

PARAMETER

FROM

TO

VCC = 3.3 V " 0.3 V VCC = 3.3 V " 0.3 V VCC = 3.3 V " 0.3 V

UNIT

PARAMETER

(OUTPUT)

(INPUT)

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

fmax

WRTCLK or

RDCLK

50

40

25

MHz

tpd

RDCLK

↑

Any Q

4

13

4

15

4

20

ns

tpd¶

RDCLK

↑

Any Q

ns

tpd

WRTCLK

↑

IR

3

11

3

13

3

15

ns

tpd

RDCLK

↑

OR

3

11

3

13

3

15

ns

tpd

WRTCLK

↑

AF/AE

7

19

7

21

7

23

ns

tpd

RDCLK

↑

AF/AE

7

19

7

21

7

23

ns

tPLH

WRTCLK

↑

HF

7

17

7

19

7

21

ns

tPHL

RDCLK

↑

HF

7

18

7

20

7

22

ns

tPLH

RESET lo

AF/AE

2

11

2

13

2

15

ns

tPHL

RESET low

HF

2

12

2

14

2

16

ns

ten

OE1 OE2

Any Q

2

11

2

11

2

14

ns

tdis

OE1, OE2

Any Q

2

11

2

14

2

14

ns

¶ This parameter is measured with a 50-pF load (see Figure 7).

PARAMETER

TEST CONDITIONS

TYP

UNIT

Cpd

Power dissipation capacitance

Outputs enabled

CL = 50 pF,

f = 5 MHz

53

pF